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The Impact of Current Smoking and Smoking Cessation on Short-Term Morbidity Risk After Lumbar Spine Surgery
Journal article   Peer reviewed

The Impact of Current Smoking and Smoking Cessation on Short-Term Morbidity Risk After Lumbar Spine Surgery

Christopher T Martin, Yubo Gao, Kyle R Duchman and Andrew J Pugely
Spine (Philadelphia, Pa. 1976), Vol.41(7), pp.577-584
04/2016
DOI: 10.1097/BRS.0000000000001281
PMID: 27018898

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Abstract

A retrospective review of prospectively collected data. The aim of this study was to determine the impact of current smoking or prior smoking cessation on 30-day morbidity risk following lumbar spine surgery. Prior studies have reported conflicting data regarding the impact of smoking on morbidity risk, and few studies have investigated smoking cessation. A large, multicenter, prospectively collected clinical registry was queried for all adult patients undergoing lumbar spine surgery in 2012 and 2013, and 35,477 cases were identified. Morbidity data are collected by on-site clinical personnel for 30 days postoperatively. Patients were divided into categories of "never-smoker," for patients with no reported cigarette use (n = 27,246), "former smoker," for patients who quit smoking more than 12 months before surgery (n = 562), and "current smoker," for patients still using cigarettes (n = 7669). A univariate analysis was conducted to identify un-adjusted differences in morbidity risk, and a multivariate analysis was conducted in an attempt to control for confounders. In the multivariate analysis, current smokers had a significantly higher risk of both superficial surgical site infection and overall wound complications, than never-smokers (P < 0.05 for each). Current smokers also had a significantly higher risk of total 30-day morbidity (P = 0.04). There was a trend toward former smokers also having an increased risk, but this did not reach significance in any category. Patients with a pack-year smoking history of 1 to 20 pack-years and more than 40 pack-years both had a significantly higher risk of superficial surgical site infections (P < 0.05 for each). Current smoking is associated with a small but significant increase in systemic morbidity and wound complications following elective lumbar spine procedures. Increasing pack year history was also associated with wound complication risk, suggesting a dose-related effect. The data provide preliminary support for future studies on smoking cessation. 3.
 Multivariate Analysis Humans Middle Aged Orthopedic Procedures - adverse effects Risk Factors Male Postoperative Complications - epidemiology Smoking Cessation - statistics & numerical data Morbidity Lumbar Vertebrae - surgery Smoking - epidemiology Adult Female Aged Retrospective Studies Pedicle Screws

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